187438900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2161

約数の個数: 72

約数和(自身を含む): 449283744

約数和(自身を除く): 261844844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 83, 100, 110, 166, 220, 275, 332, 415, 550, 830, 913, 1100, 1660, 1826, 2053, 2075, 3652, 4106, 4150, 4565, 8212, 8300, 9130, 10265, 18260, 20530, 22583, 22825, 41060, 45166, 45650, 51325, 90332, 91300, 102650, 112915, 170399, 205300, 225830, 340798, 451660, 564575, 681596, 851995, 1129150, 1703990, 1874389, 2258300, 3407980, 3748778, 4259975, 7497556, 8519950, 9371945, 17039900, 18743890, 37487780, 46859725, 93719450, 187438900]

約数ペア:

[(1, 187438900), (2, 93719450), (4, 46859725), (5, 37487780), (10, 18743890), (11, 17039900), (20, 9371945), (22, 8519950), (25, 7497556), (44, 4259975), (50, 3748778), (55, 3407980), (83, 2258300), (100, 1874389), (110, 1703990), (166, 1129150), (220, 851995), (275, 681596), (332, 564575), (415, 451660), (550, 340798), (830, 225830), (913, 205300), (1100, 170399), (1660, 112915), (1826, 102650), (2053, 91300), (2075, 90332), (3652, 51325), (4106, 45650), (4150, 45166), (4565, 41060), (8212, 22825), (8300, 22583), (9130, 20530), (10265, 18260)]